Jamie Oliver reveals name of new son in Instagram post

Jamie Oliver has revealed the name of his new baby son - River Rocket Oliver.

The celebrity chef posted a picture on Instagram of his fifth child snoozing in the garden, as he formally introduced him to the world.

He wrote: "Wow what a Hot Day today guys. So the littlest one is stared out and sleeping again..... it's probably polite to formally introduce the new boy to you, his names (sic) River Rocket Oliver we think it suits him and he's a little gift and we are all very happy....

"Thanks for all your kind wishes big love jamie and gang X X X."

The family had kept quiet about their son's name since he arrived on August 8.